in phuket main town office is there any specific amount of days before your visa expire you can come to make first covid extention. Also I cannot find if covid extention is still available on end of feb.
what about borderrun by car i remmeber years before you can stamp on the border and get back in. But in these covid times also have to quarantine 5-14 days at laos road border?
visa on arival in cambodia however i heard but not 100% sure cambodia and laos are still closed for tourists untill end of this month. Check embassy of country to find current status.